ConstraintLayout.kt

ConstraintLayout {
  val (button, text) = createRefs()

  Button(
    modifier = Modifier.constrainAs(button) {
      top.linkTo(parent.top, margin = 16.dp)
    }
  )

  Text("Text", Modifier.constrainAs(text) {
    top.linkTo(button.bottom, margin = 16.dp)
  })
}

ConstraintSet {
  val button = createRefFor("button")
  val text = createRefFor("text")

  constrain(button) { ... }
  constrain(text) { ... }
}